com.amihaiemil.eoyaml.GreaterIndentation Maven / Gradle / Ivy
/**
* Copyright (c) 2016-2023, Mihai Emil Andronache
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
package com.amihaiemil.eoyaml;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
/**
* YamlLines implementation that looks for the lines which have
* an indentation level greater the one of a given reference line.
* The lines "nested" after the given reference line.
* @author Mihai Andronache ([email protected])
* @version $Id: 5380b43868ec24af849a11dcd7b140d260d18991 $
* @since 4.2.0
*/
final class GreaterIndentation implements YamlLines {
/**
* Reference YAML line.
*/
private YamlLine reference;
/**
* YamlLines.
*/
private final YamlLines yamlLines;
/**
* Ctor.
* @param reference Reference YAML Line.
* @param yamlLines The Yaml lines.
*/
GreaterIndentation(final YamlLine reference, final YamlLines yamlLines) {
this.reference = reference;
this.yamlLines = yamlLines;
}
/**
* Returns an iterator over these Yaml lines.
* It only iterates over the lines which have a greater
* indentation than the reference line. It breaks iteration when
* a line with a lesser or equal indentation is met, since that should
* be the beginning of another YAML object.
* @return Iterator over these yaml lines.
*/
@Override
public Iterator iterator() {
Iterator iterator = this.yamlLines.iterator();
if (iterator.hasNext()) {
final List greater = new ArrayList<>();
while (iterator.hasNext()) {
YamlLine current = iterator.next();
if(current.indentation() > this.reference.indentation()) {
greater.add(current);
} else if (
current.indentation() <= this.reference.indentation()
) {
break;
}
}
iterator = greater.iterator();
}
return iterator;
}
@Override
public Collection original() {
return this.yamlLines.original();
}
@Override
public YamlNode toYamlNode(final YamlLine prev) {
return this.yamlLines.toYamlNode(prev);
}
}